Attic Insulation Around Fireplace Flue

The opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic.

Attic insulation around fireplace flue.

This makes it an ideal insulation material for use in areas that experience high temperatures. 1 prevent problematic heat transfer from hot masonry to dry home frames in turn decreasing the risk of combustion. More often there s a similar problem. Apply a thick bead of high temperature caulk the flue on one side.

Fiberglass insulation is naturally fire resistant. Insulating around a fireplace prevents drafts. The projects recommended in this guide can usually be completed in a day or two and will provide beneits for years to come. As such it can be used to insulate a chimney.

However if upon inspection. Insulating your chimney liner helps to. Insulation has been sprayed inside the shield eliminating the required air gap. Because the pipe gets hot building codes usually require 1 inch of clearance from metal flues 2 inches from masonry chimneys to any combustible material including insulation.

Insulating around these ixtures see page 2 2 attic air sealing and adding insulation are do it yourself projects if your attic is accessible and not too dificult to move around in. Although the cellulose insulation piled up around the gas flue in an attic in the photo above is an extreme example we find missing shields around gas flues in attics occasionally. Most all insulation manufacturers recommend a 3 clearance to any heat producing device be maintained. If the point where your chimney passes through your wall or roof is badly insulated there is a lot of heat passing through that area and.

Attic insulation around furnace flues sometimes it can be helpful to put the cart in front of the horse. It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building. Fireplaces emit a comforting glow during cold winter nights but if they are poorly designed they may take more heat out of your house than they put into it.